CN106040406A - Slag vertical mill external circulation material no-flying-dust conveying and deironing system - Google Patents
Slag vertical mill external circulation material no-flying-dust conveying and deironing system Download PDFInfo
- Publication number
- CN106040406A CN106040406A CN201610592681.4A CN201610592681A CN106040406A CN 106040406 A CN106040406 A CN 106040406A CN 201610592681 A CN201610592681 A CN 201610592681A CN 106040406 A CN106040406 A CN 106040406A
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- China
- Prior art keywords
- mill
- slag vertical
- slag
- dust
- powder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/34—Passing gas through crushing or disintegrating zone gas being recirculated to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C2015/002—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs combined with a classifier
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a slag vertical mill external circulation material no-flying-dust conveying and deironing system. A fine powder material is collected by a slag vertical mill powder collector after powder grinding of a slag vertical mill; a rough powder material is discharged by a slag discharge port, and enters an embedded scraper conveyor through a pipe; the embedded scraper conveyor conveys the material in an elevator; the elevator hoists the material to feed in a pipe deironing machine; the pipe deironing machine separates slag from iron; the deironed material enters the slag vertical mill for powder grinding again; the embedded scrapper conveyor, the elevator, the pipe deironing machine and the slag vertical mill are connected through closed pipes; a dust collector is connected with the elevator through a closed pipe; and a material layer prepressing device is arranged in the slag vertical mill. The material is totally conveyed and deironed in closed space in the whole process to prevent generation of flying dust; and the dust collector is provided for enabling the internal of the space to become a negative pressure state so as to thoroughly prevent emission of dust.
Description
Technical field:
The present invention relates to a kind of industrial slag garbage recycling equipment, particularly relate to a kind of slag vertical-mill outer circulation material without
Airborne dust conveying iron removal system.
Background technology:
The waste residue discharged when blast-furnace cinder is steel plant's blast furnace ironmaking.At present, blast-furnace cinder utilize widely used vertical roller grinder
Machine carries out grinding and obtains slag powders;And slag vertical-mill has outer circulation function, on the one hand slag vertical-mill outer circulation function can drop
Low slag unit product grinding energy, on the other hand can pass through the metallic iron separated after slag milling in outer loop process
Magnetic plant is selected, thus avoids metallic iron enrichment in slag vertical-mill and cause the excess mill of slag vertical-mill grinding parts
Damage.
At present, current on market way is: the material discharged by slag vertical-mill slag-drip opening is sent into through belt conveyor and carried
The machine of liter, arranges 1--2 platform on belt conveyor and hangs tramp iron separator, removed out by the metallic iron in material, enter the material of elevator
It is again introduced into slag vertical-mill grinding by elevator conveying.
But the shortcoming of this way is: because material contains a certain amount of fine particle, enter the material before elevator naked
It is exposed at belt surface, exposed in atmospheric environment, cause this position airborne dust, pollute environment;Meanwhile, the continuous rotation of tramp iron separator is hung
Turn except ferrum, cause air agitation, exacerbate airborne dust, thus airborne dust region area is big, causes Dust Improvement difficulty.
It addition, slag vertical-mill is a kind of important milling equipment in grinding technology field, it is desirable to be that material is uniformly scattered
To mill, grinding under the rolling of grinding roller.Solve material and can form the problem of the bed of material on mill, be slag vertical-mill
One key technology.Water injector in existing Stabilizing Materials bed device mainly mill, in mill, water spray can play the stable bed of material
Effect, but water can affect the chemical property of material, and especially when pulverizing cement material, a part of cement can shift to an earlier date aquation, shadow
Ring cement quality.
Summary of the invention:
The technical problem to be solved is: overcome the deficiencies in the prior art, it is provided that a kind of reasonable in design, facilitate grinding,
Good sealing effect and avoid the slag vertical-mill outer circulation material of airborne dust to carry iron removal system without airborne dust.
The technical scheme is that
A kind of slag vertical-mill outer circulation material carries iron removal system without airborne dust, including slag vertical-mill, embedded scraper transporter, lifting
Machine, deironing device of pipeline and dust-precipitator, slag forms powder material and coarse powder material, powder material after described slag vertical-mill grinding
Carrying out finished product collection via powder collector after described slag vertical-mill, coarse powder material is discharged by the slag-drip opening of described slag vertical-mill, then leads to
Piping enters described embedded scraper transporter, and material is conveyed into described elevator, described elevator by described embedded scraper transporter
To feed described deironing device of pipeline after material lifting, described deironing device of pipeline is by slag sluicing system, and the material removing ferrum enters described
Slag vertical-mill grinding again, passes through closed conduct between described embedded scraper transporter, elevator, deironing device of pipeline and slag vertical-mill
Connecting, described dust-precipitator is connected with described elevator by closed conduct, and described dust-precipitator is also connected with blower fan, makes each inner chamber shape
Become negative pressure, it is to avoid dust escapes, and is provided with bed of material prepressing device in described slag vertical-mill.
It is connected by described closed conduct between described slag-drip opening and embedded scraper transporter and is set to be flexible coupling;Described pipe
Road tramp iron separator is at least one and all tandems connect;The isolated iron powder of described deironing device of pipeline enters iron powder collecting box and receives
Collection.
Described slag vertical-mill makes gas become hot gas at the heat that grinding produces, after described dust-precipitator filters, and one
Dividing hot gas to be again introduced into described slag vertical-mill to recycle with material drying, another part is by row, energy efficient outside chimney.
Described bed of material prepressing device contains milling roller, and the two ends of described milling roller are provided with rotary shaft, and described rotary shaft is led to
Crossing bearing and bearing block is connected with connecting rod, described connecting rod is connected with bracing frame, and support frame as described above is fixed on slag vertical-mill
On inner chamber body wall, and, support frame as described above is in the inner chamber of described slag vertical-mill between two adjacent grinding rollers.
Described milling roller is hollow conical drum, and, the conical surface of described conical drum is arranged at intervals with resistance to
Mill projection.
Support frame as described above is triangular structure, and, support frame as described above is provided with bar hole, or is arranged at intervals with bolt
Hole, it is possible to change the setting height(from bottom) of support frame as described above.
The invention has the beneficial effects as follows:
1, the present invention is removed ferrum by slag vertical-mill discharge port to deironing device of pipeline, then enters slag vertical-mill grinding to material secondary, whole
Individual process materials all carries and removes ferrum in the space closed, it is to avoid the generation of airborne dust, and the setting of dust-precipitator more makes
Interior volume is negative pressure state, thoroughly avoids escaping of dust.
2, the present invention uses physical method to tile in advance, is compacted the principle of the bed of material, and the pre-compacted carrying out material stabilizes material
Layer, decreases grinding machine vibration, improves mill efficiency, can coordinate or replace the interior water injector of mill to stablize the bed of material, less or
Stop the water impact on material, thus overcome the essence shortcoming that old-fashioned slag vertical-mill Stabilizing Materials layer method exists.
3, the present invention uses physical method tiling and compacting material, material chemical property or product quality will not be produced shadow
Ring, and, passively being rotated by contacting material, it is not necessary to actuating device, energy consumption is low.
4, the present invention is by regulation cylinder and the distance of mill, can realize grinding different material and different compacted depthes,
On cylinder, additionally set wear resistant lug preferably to engage material.
5, the method that the present invention uses physics to pave and extrudes, it is possible to the stable and compression bed of material, had both facilitated grinding, effect
Good, the most do not affect material or product quality, additionally use closed conveying, it is to avoid airborne dust, it is applied widely, it is easy to promote real
Executing, economic benefit is obvious.
Accompanying drawing illustrates:
Fig. 1 is the slag vertical-mill outer circulation material structural representation without airborne dust conveying iron removal system;
Fig. 2 is the partial structurtes schematic diagram of slag vertical-mill shown in Fig. 1;
Fig. 3 is the structural representation of bed of material prepressing device shown in Fig. 2;
Fig. 4 is the operating diagram of bed of material prepressing device shown in Fig. 2.
Detailed description of the invention:
Embodiment: see Fig. 1--Fig. 4, in figure, 1-bracing frame, 2-milling roller, 3-abrasive material, 4-mill body, 5-frame, 6-grinding roller,
11-slag vertical-mill, 12-slag-drip opening, 13-embedded scraper transporter, 14-elevator, 15-deironing device of pipeline, 16-iron powder collecting box,
17-removed the material of ferrum, 18-dust-precipitator, 19-blower fan.
Slag vertical-mill outer circulation material includes slag vertical-mill 11, embedded scraper transporter 13 without airborne dust conveying iron removal system, carries
Rise machine 14, deironing device of pipeline 15 and dust-precipitator 18, wherein: slag forms powder material and coarse powder thing after slag vertical-mill 11 grinding
Material, powder material carries out finished product collection via powder collector after described slag vertical-mill, and coarse powder material is by the slag-drip opening of slag vertical-mill 11
12 discharge, then enter embedded scraper transporter 13 by pipeline, and material is conveyed into elevator 14, elevator by embedded scraper transporter 13
14 will feed deironing device of pipeline 15 after material lifting, slag sluicing system, the material 17 removing ferrum are entered slag by deironing device of pipeline 15
Vertical Mill 11 grinding again, passes through sealed tube between embedded scraper transporter 13, elevator 14, deironing device of pipeline 15 and slag vertical-mill 11
Road connects, and dust-precipitator 18 is connected with elevator 14 by closed conduct, and dust-precipitator 18 is also connected with blower fan 19, makes each inner chamber be formed
Negative pressure, it is to avoid dust escapes, is provided with bed of material prepressing device in slag vertical-mill 11.
It is connected by closed conduct between slag-drip opening 12 with embedded scraper transporter 13 and is set to be flexible coupling;Deironing device of pipeline
15 at least one and all tandem connections;The isolated iron powder of deironing device of pipeline 15 enters iron powder collecting box and collects 16.
The heat that slag vertical-mill 11 produces at grinding makes gas become hot gas, via powder collector mistake after described slag vertical-mill
After filter, a part of hot gas is again introduced into slag vertical-mill 11 and recycles with material drying, and another part, by arranging outside chimney, saves
About energy consumption.
Bed of material prepressing device contains milling roller 2, wherein: the two ends of milling roller 2 are provided with rotary shaft, and rotary shaft passes through bearing
Being connected with connecting rod with bearing block, connecting rod is connected with bracing frame 1, and bracing frame 1 is fixed on the inner chamber body wall of slag vertical-mill 4,
Further, bracing frame 1 between two adjacent grinding rollers 6, is frame 5 below slag vertical-mill 4 in the inner chamber of slag vertical-mill 4.
Preferred version: milling roller 2 is hollow conical drum, and, the conical surface of conical drum is arranged at intervals with
Wear resistant lug (is not drawn in figure).
Bracing frame 1 is triangular structure, and steadiness is good, and, bracing frame 1 is provided with bar hole, or is arranged at intervals with
Bolt hole, it is possible to change the setting height(from bottom) of bracing frame 1, and then change the milling roller 2 distance from the mill of slag vertical-mill 4.
The height of conical drum is adjusted by adjusting the position of bracing frame 1.Need mill thing in view of conical drum
Material engagement rotates and extrudes, and material can produce heavy wear to it simultaneously, thus devises abrasion resistant convex on the surface of conical drum
Block.
Present invention employs physical method to tile in advance, be compacted the principle of the bed of material, the pre-compacted that material is carried out, stabilize material
Layer, decreases grinding machine vibration, improves mill efficiency, can coordinate or replace the interior water injector of mill to stablize the bed of material, less or
Stop the water impact on material, thus overcome the essence shortcoming that old-fashioned slag vertical-mill Stabilizing Materials layer method exists.It is whole
Individual process materials all carries and removes ferrum in the space closed, it is to avoid the generation of airborne dust, and the setting of dust-precipitator more makes
Interior volume is negative pressure state, thoroughly avoids escaping of dust.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, all
It is based on any simple modification, equivalent variations and modification that above example is made by the technical spirit of the present invention, all still falls within
In the range of technical solution of the present invention.
Claims (6)
1. slag vertical-mill outer circulation material carries an iron removal system without airborne dust, including slag vertical-mill, embedded scraper transporter, lifting
Machine, deironing device of pipeline and dust-precipitator, is characterized in that: slag forms powder material and coarse powder thing after described slag vertical-mill grinding
Material, powder material carries out finished product collection via powder collector after described slag vertical-mill, and coarse powder material is by the deslagging of described slag vertical-mill
Mouth is discharged, then enters described embedded scraper transporter by pipeline, and material is conveyed into described elevator by described embedded scraper transporter,
Described elevator will feed described deironing device of pipeline after material lifting, described deironing device of pipeline, by slag sluicing system, removed the thing of ferrum
Material enters described slag vertical-mill grinding again, logical between described embedded scraper transporter, elevator, deironing device of pipeline and slag vertical-mill
Crossing closed conduct to connect, described dust-precipitator is connected with described elevator by closed conduct, and described dust-precipitator is also connected with blower fan,
Each inner chamber is made to form negative pressure, it is to avoid dust escapes, and is provided with bed of material prepressing device in described slag vertical-mill.
Slag vertical-mill outer circulation material the most according to claim 1 carries iron removal system without airborne dust, it is characterized in that: described row
It is connected by described closed conduct between cinder notch with embedded scraper transporter and is set to be flexible coupling;Described deironing device of pipeline is at least
One and all tandem connections;The isolated iron powder of described deironing device of pipeline enters iron powder collecting box and collects.
Slag vertical-mill outer circulation material the most according to claim 1 carries iron removal system without airborne dust, it is characterized in that: described ore deposit
Slag Vertical Mill makes gas become hot gas at the heat that grinding produces, after after described slag vertical-mill, powder collector filters, and part heat
Gas is again introduced into described slag vertical-mill and recycles with material drying, and another part is by row, energy efficient outside chimney.
4. carry iron removal system according to the slag vertical-mill outer circulation material described in any one of claim 1-3 without airborne dust, its feature
Being: described bed of material prepressing device contains milling roller, the two ends of described milling roller are provided with rotary shaft, and described rotary shaft passes through bearing
Being connected with connecting rod with bearing block, described connecting rod is connected with bracing frame, and support frame as described above is fixed on the inner chamber body of slag vertical-mill
On wall, and, support frame as described above is in the inner chamber of described slag vertical-mill between two adjacent grinding rollers.
Slag vertical-mill outer circulation material the most according to claim 4 carries iron removal system without airborne dust, it is characterized in that: described stone roller
Pressure roller is hollow conical drum, and, the conical surface of described conical drum is arranged at intervals with wear resistant lug.
Slag vertical-mill outer circulation material the most according to claim 4 carries iron removal system without airborne dust, it is characterized in that: described
Support is triangular structure, and, support frame as described above is provided with bar hole, or is arranged at intervals with bolt hole, it is possible to change institute
State the setting height(from bottom) of bracing frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610592681.4A CN106040406A (en) | 2016-07-26 | 2016-07-26 | Slag vertical mill external circulation material no-flying-dust conveying and deironing system |
Applications Claiming Priority (1)
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CN201610592681.4A CN106040406A (en) | 2016-07-26 | 2016-07-26 | Slag vertical mill external circulation material no-flying-dust conveying and deironing system |
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CN201610592681.4A Pending CN106040406A (en) | 2016-07-26 | 2016-07-26 | Slag vertical mill external circulation material no-flying-dust conveying and deironing system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107051705A (en) * | 2017-04-12 | 2017-08-18 | 山西太钢不锈钢股份有限公司 | Slag powders outer circulation iron removal system and method |
CN108273652A (en) * | 2017-12-27 | 2018-07-13 | 唐山博全实业有限公司 | A kind of Vertical Mill returning charge dust arrester installation and collecting method |
CN112827636A (en) * | 2020-12-31 | 2021-05-25 | 新乡市长城机械有限公司 | External circulation grading magnetic separation process for steel slag vertical mill |
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CN101318153A (en) * | 2007-06-07 | 2008-12-10 | 中信重工机械股份有限公司 | Method and apparatus for flattening, compacting and crushing material |
CN202137014U (en) * | 2011-05-15 | 2012-02-08 | 盐城吉达环保设备有限公司 | Outer circulation deironing grinding equipment |
JP5038464B2 (en) * | 2010-05-13 | 2012-10-03 | 京楽産業.株式会社 | Bullet ball machine |
CN204583352U (en) * | 2015-03-23 | 2015-08-26 | 中材装备集团有限公司 | The deironing apparatus of vertical roller grinder system |
CN205815894U (en) * | 2016-07-26 | 2016-12-21 | 新乡市长城机械有限公司 | Slag vertical-mill outer circulation material carries iron removal system without airborne dust |
-
2016
- 2016-07-26 CN CN201610592681.4A patent/CN106040406A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101318153A (en) * | 2007-06-07 | 2008-12-10 | 中信重工机械股份有限公司 | Method and apparatus for flattening, compacting and crushing material |
JP5038464B2 (en) * | 2010-05-13 | 2012-10-03 | 京楽産業.株式会社 | Bullet ball machine |
CN202137014U (en) * | 2011-05-15 | 2012-02-08 | 盐城吉达环保设备有限公司 | Outer circulation deironing grinding equipment |
CN204583352U (en) * | 2015-03-23 | 2015-08-26 | 中材装备集团有限公司 | The deironing apparatus of vertical roller grinder system |
CN205815894U (en) * | 2016-07-26 | 2016-12-21 | 新乡市长城机械有限公司 | Slag vertical-mill outer circulation material carries iron removal system without airborne dust |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107051705A (en) * | 2017-04-12 | 2017-08-18 | 山西太钢不锈钢股份有限公司 | Slag powders outer circulation iron removal system and method |
CN108273652A (en) * | 2017-12-27 | 2018-07-13 | 唐山博全实业有限公司 | A kind of Vertical Mill returning charge dust arrester installation and collecting method |
CN108273652B (en) * | 2017-12-27 | 2023-08-25 | 唐山凡卓实业有限公司 | Vertical mill returning charge dust collection device and dust collection method |
CN112827636A (en) * | 2020-12-31 | 2021-05-25 | 新乡市长城机械有限公司 | External circulation grading magnetic separation process for steel slag vertical mill |
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